Answer / hihi

open delta system or the v-v connection is used to minimise costs as it is a bank of 2 1-phase transformers can b used for the power supply purpose ..but its poweer output is 57% of the 3 ph transformer .. used wen less load cond so d losses r less ...and wen in fftute load requiremnt increases the 3rd windin is added

how we can find out the speed of fan without using any measuring instrument

2 Answers  

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How to test Power Transfomer vector group in the field?

3 Answers   Al-Yamama,

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Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?

1 Answers  

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how can we chacke adiod in a circuit

2 Answers  

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Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

0 Answers  

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Is there thumb rule to calculate how many Insulators to be used for Transmission line of different volatges

3 Answers   CS,

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What is the difference between Generator Differential Relay and Transformer Differential Relay?

0 Answers  

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why we avoid parallel operation of diesl generator?

4 Answers  

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Why neutral point is consider as zero potential?

0 Answers   Equate,

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What is fault level? How can be calculate the fault level?

1 Answers  

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Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

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a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.

1 Answers   SSC,

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